baber/WOPTO huggingface dataset:
Patent GB-637462-A (GB)
Title: Improvements in or relating to telegraphic and like recording apparatus
IPC: H04L13/18
Filed: 1947-08-14
Abstract: 637,462. Pens for recording instruments. ELECTRONIC PROTOTYPE DESIGNERS, Ltd., and LALEWICZ, S. Aug. 14, 1947, No. 18667. [Class 146 (iii)] [Also in Group XL (b)] In a recorder using an inking element which marks a moving tape or band, the supply of ink to the marking element is varied in conformity with the speed of the tape or band. In the arrangement shown the recording tape 1, which is driven by the recorder, passes over a pulley 2 driving through a worm 4 and worm wheel 5 a disc 7 formed with semicircular recesses 8 in which are mounted rollers 9. A tube 11 to which ink is supplied is mounted between the outer surfaces of the rollers 9 and a fixed cylindrical member 10. In the rest position of the apparatus the constricted portions of the tube between the rollers 9 and the member 10 cut off the supply of ink to the recorder. The member 10 may be a complete cylinder with slots for the passage of the tube, and the rollers 9 may be mounted on a rotatable spider. According to the Provisional Specification the rotatable member associated with the supply tube may be driven directly by the tape or by the motor which operates the recorder.
Patent GB-1082339-A (GB)
Title: Improvements in or relating to an inverter protective device
Inventor: SAKOVICH ANATOLY ALEXEEVICH
IPC: H02H7/122
Filed: 1965-05-04
Abstract: 1,082,339. Inverters. VSESOJUZNY ELEKTROTEKHNICHESKY INSTITUT IM V.I. LENINA. May 4, 1967, No. 18670/66. Heading H2F. An inverter comprising a bridge 1 of conrolled rectifiers 13, 14, 15, 16, 17, 18, fed from D.C. terminals through smoothing inductors 25, 26 includes an overload protection arrangement which comprises a series circuit of resistor 53, capacitor 51, and resistor 54 connected across the D.C. supply, the ends of the capacitor being cross-connected to the D.C. lines through controllable rectifiers 57, 58. The smoothing inductors are shunted by controllable rectifier and resistor combinations 61, 65 and 62, 66. The bridge 1 feeds a transformer which includes a winding connected through a diode bridge 3 to the D.C. terminals to compensate for reactive power. The whole circuit is duplicated and the two output windings 5, 6 are connected in series to provide a polyphase output. On detection of an overload, firing signals to the bridge 1 are stopped, and at the same time the other rectifiers 57, 58, 61, 62 are fired. The capacitor 51 discharges through the rectifiers 57, 58 causing the current flow in the bridge to drop to zero, and at the same time the energy of the reactors 25, 26 is discharged in the resistors by means of the rectifiers 61 and 62. These rectifiers may be diodes which become conductive in response to the enhanced anode voltage.
Patent GB-896741-A (GB)
Title: Improvements in railway buffers
Inventor: REID THOMAS
IPC: B61G11/12
Filed: 1958-06-12
Abstract: 896,741. Railway vehicle buffers. GARRINGTONS Ltd. May 29, 1959 [June 12, 1958], No. 18756/58. Class 103(5). A railway vehicle buffer comprises a hydraulic cylinder 10 mounting a metering pin 16, a plunger 11, having a flexible bag 23 therein containing compressed air, and a floating dome headed piston 19. In operation, as the plunger moves inwardly under a buffing force the fluid is forced from the space 17 into the reservoir 18 and the floating piston is moved to further compress the air in the flexible bag. After removal of the buffing force the compressed air in the bag forces the recoil, and returns the excess fluid in the space 18 back to the space 17. The bearings 13 may be of polytetrafluoroethylene.
Patent GB-699507-A (GB)
Title: Improvements relating to settees, armchairs and like articles of furniture
IPC: A47C17/13
Filed: 1952-07-25
Abstract: 699,507. Seats. CLARK, F. G. Jan. 21, 1953 [July 25, 1952]. No. 18867/52. Addition to 663,590. Class 52(ii) The construction according to the parent Specification is modified so that the slide bars attached to the arm rests are guided by tongue-and-grooved arrangements with a fixed frame in place of guide rollers. As shown the arm rests or end pieces 8, 9 have attached to them and projecting into the space below the sette &c. frames comprising bars 13 interconnected by cross members 14, which frames co-operate by means of the tongues on the bars 13 and grooves 16 on bars 6 which form 'part of the fixed frames situated below the seat 1.
Patent GB-603453-A (GB)
Title: Improvements in or relating to ball and roller bearings
IPC: F16C33/60
Filed: 1945-07-25
Abstract: In making roller &c. bearings a chrome steel with a predictable degree of deformation during heating and quenching comprises carbon .33-1 per cent and chrome 14-1.3 per cent.
Patent GB-209440-A (GB)
Title: Improvements in or relating to pneumatic tyres
IPC: B60C3/04
Filed: 1922-07-11
Abstract: 209,440. Dunlop Rubber Co., Ltd., and Macbeth, C. July 11, 1922. Jackets and covers; tyre attachments to rims. A pneumatic tyre, adapted for use with low-inflation pressures, is constructed to present the following features as compared with an ordinary tyre cover of the same load-carrying capacity, the latter being shown in dotted lines in Fig. 1. The fabric foundation A<1> is thin, the air-space is of large cross-sectional area, the 'angle of stability' D is at least as great as that of the ordinary cover, and the general shape is such that the usual ratio' of cross-sectional height to maximum width of the ordinarv cover is maintained. The rim is formed with widely-spaced bead-seatings and a deep central groove B'. To prevent accidental displacement of the beads in case of deflation, rubber rings B<2>, B<3> may be fitted in the groove B' as shown in Fig. 1, or the cover may be formed with lips or beads A<4>, Fig. 4, adapted to seat on the rim flanges. The Specification contains a detailed statement of the various dimensions of the parts for tyres of graded sizes.
Patent GB-582388-A (GB)
Title: Improvements in or relating to grinding, honing, lapping and superfinishing machines
IPC: B24B47/16
Filed: 1944-10-05
Abstract: 582,388. Grinding &c. machines. SELBY, J. Oct. 5, 1944, No. 19066. [Class 60] In a machine for grinding, honing, lapping or superfinishing round holes, shafts, &c., wherein the grinding &c. tool and the work are rotated and moved relatively in an axial direction, the tool or the work holder is mounted on a spindle coupled to a coaxial driving element in such manner as to be constrained to rotate therewith, but capable of moving axially relatively thereto, the spindle being mounted in plain bearings biased to contract round it. The machine comprises a grinding-wheel 1 and a work chuck 2, the wheel being mounted on one end of a spindle 3, coupled at its other end to a coaxial spindle 4 driven by a belt 5. The spindle 4 runs in fixed ball bearings 20 and at its outer end carries a diametral pin 7, the ends of which engage keyways 6 in the hollow spindle 3, which thus rotates with, but can move axially relatively to the spindle 4. The spindle 3 runs in two plain bearings each of which comprises an upper half 8 and a lower half 9, lined at 10, and made slightly less than semi-circumferential so that a small clearance is left ; the lower half 9 is fixed and the upper half 8 is pressed resiliently down by a spring 11, or by fluid pressure or a rubber sleeve surrounding the halves. The spindle 3 is moved axially by a hand lever 12 on a shaft 13 carrying a crank 15 coupled by a connecting-rod 16 to an element 17 slidable on a fixed bearing 18, or on a circular rod, and formed with a tongue engaging a circumferential groove 19a in a collar 19 secured on the spindle 3. The wheel 1 is carried by an extension 3a of the spindle 3 ; the parts are all mounted in a casing 21, which contains oil fed by the collar 19 to a scraper 23 which conveys the oil to holes 24 in the bearings 8. The spindle 3 projects through a member 25 mounted on the casing and having a small clearance 26 round the spindle, dust being prevented from entering by a stream of air blown through the casing 21 by the driving motor, and then through the spindle 3, ports 29, 30 in the part 3a and out through the clearance. The chuck 2 may be the part to be moved axially ; the connection between the spindles 3, 4 may be reversed, the spindle 4 being hollow and the spindle 3 carrying the transverse pin.
Patent GB-535250-A (GB)
Title: Process for the protection of insecticides
IPC: A01N25/22
Filed: 1939-06-30
Abstract: 535,250. Insecticides. SOC. DES USINES CHIMIQUES RHONE-POULENC. June 30, 1939, No. 19139. Convention date, July 22, 1938. [Class 81 (i)] Insecticidal preparations containing ratenone or analogous light sensitive vegetable materials, such as toxicarol tephrosine and degueline, are stabilized by admixture therewith of red weeds obtained in the manufacture of alumina or materials of analogous colour and constitution, containing iron oxide. The Specification as open to inspection under Sect. 91 included the stabilization of nicotine and of synthetic insecticides such as thiodiphenylamine. This subject-matter does not appear in the Specification as accepted.
Patent GB-379268-A (GB)
Title: Improvements in or relating to refractory materials and to methods of making the same
Filed: 1932-07-08
Abstract: Dolomite, magnesite, limestone, &c. is crushed to about 1/4 inch size, mixed with 5-20 per cent of solid fuel and slightly moistened with water to form a lightly adherent, air-permeable mass.  This is spread in a thin layer and ignited at the upper surface while a strong current of air is drawn downwardly through it.  The product is crushed to produce irregular hard cellular fragments which are suitable for making and repairing furnace linings, being capable of consolidation by the heat of the furnace itself.  In some cases the cellular fragments are again mixed with fuel and subjected to a repetition of the process.  Fluxes such as iron oxide may be added to the raw materials if not already present in sufficient quantities, and fines obtained from a previous operation may also be added.
Patent GB-1478532-A (GB)
Title: Fluidised bed combustion apparatus
IPC: F02C3/20
Filed: 1975-05-02
Abstract: 1478532 Fluidised beds BABCOCK & WILCOX Ltd 2 May 1975 [3 May 1974] 19548/74 Heading B1F [Also in Division F1] A fluidised bed combustion apparatus is arranged to deliver combustion gases and air heated during flow through tubes disposed in the fluidised bed, to a gas turbine, there being filter means positioned across the heated air flow between the fluidised bed and the gas turbine. The fluidised bed combustion chamber is shown at 10 and air is supplied thereto from compressor 6 through line 5, solid cool particles being supplied to the bed by a highpressure air stream through duct 40. The combustion gases are cleared in a cyclone separator 14 before discharge through line 15 to the gas turbine 16. Some of the air from the compressor 6 and line 5 enters distributor 22 to flow through tubes 12 disposed in the fluidised bed whereby the air is heated, the heated air being collected at 24 and then mixed with the combustion gases discharging from separator 14. A filter device 28 comprising a sintered metal tube having an end plate 30 is secured to the outlet end 32 of each air heater tube 12. Alternatively the filter may comprise a stack of annular plates 36, the plates being radially grooved, the stack of plates and an end plate 38 being clamped together by a yoke member 34. The filter is provided so that in the event of a tube splitting, no dust particles can pass into the turbine. The assembly is contained within an outer pressure vessel 4.
Patent GB-269035-A (GB)
Title: An improved construction of door bolt or holder
IPC: E05C1/06
Filed: 1926-08-09
Abstract: 269,035. Opperman, L. J., Piper, J. E., Mason, G. H., and Walton, B. Aug. 9,1926. Sliding bolts D for securing doors C, are mounted at the back of flanged plates A flush with the doors and operated by cams H. A projection E on the back of the plate forms a second guide for the bolt and an abutment for the shooting spring F. The face h<1> of the cam H works on the edge of the slot in the plate to withdraw the bolt when the handle H' is depressed.
Patent GB-299493-A (GB)
Title: Improvements in or relating to the manufacture of white alloys
IPC: C22C18/04
Filed: 1927-07-25
Abstract: 299,493. Pocock, A. L. July 25, 1927. Alloys.-White metal alloys consist of a preponderant proportion of zinc together with copper, aluminium, and a small proportion of silver. The alloys may be made by adding to zinc an alloy consisting of 0.5-2 parts of copper, 1-3 parts of aluminium, and up to 1 part of silver. The zinc content is preferably not less than 85 per cent. Small additions of other metals serving as hardening agents, such as magnesium, may be made. The Provisional Specification refers also to alloys of copper, silver, and aluminium without zinc.
Patent GB-658594-A (GB)
Title: Improvements in methods and apparatus for atomizing liquids
IPC: B05B1/34
Filed: 1949-07-27
Abstract: 658,594. Spray burners. MICHELSEN, K. July 27, 1949, No. 19766. Convention date, Aug. 27, 1948. [Class 75(i)] [Also in Group XXIX] Fuel oil, fed by a feed pipe 8 to tangential passages 7 in a chamber 6 is whirled and distributed over a stationary flared wall 1<SP>11</SP>, and atomized by air or steam directed through an annular passage 10.
Patent GB-961100-A (GB)
Title: An improved apparatus for sorting planks of wood in accordance with their lengths
IPC: B07C5/14
Filed: 1962-05-23
Abstract: Timber is sorted according to length by conveying it sideways over a series of graduated slots.  The timber may cause the conveyer to make one step as each piece is loaded, or the conveyer may run continuously.
Patent GB-461732-A (GB)
Title: Improvements in or relating to clutch plates
IPC: F16D13/68
Filed: 1936-07-17
Abstract: 461,732. Flexible clutch plates. BORG & BECK CO., Ltd. July 17, 1936, No. 19909. Convention date, April 17. [Class 80 (ii)] The carrier disc 7 of a clutch plate is resiliently coupled to the hub 2 by one or more annular stamped steel plates 15, the outer and inner peripheral portions of which are connected by non-radial spokes 17 and are secured to the disc 7 and to a flange 6 on the hub respectively. Three forms of spokes are shown in Figs. 1, 5, and 6 respectively. The spokes of adjacent plates may be staggered, as shown in Fig. 6. The plates 15 are arranged symmetrically on each side of the disc 7, which latter projects between the plates and carries friction washers 24 to produce damping. A ring 13 is arranged between the two middle plates and the rivets 22 securing the plates to the flange 6 pass through the ring 13.
Patent GB-708624-A (GB)
Title: Improvements in or relating to resistance welding electrodes
IPC: B23K11/30
Filed: 1950-08-10
Abstract: 708,624. Making spot welding electrodes. WELDING CONTROLS, Ltd., and TOWNSEND, P. W. Aug. 3, 1951 [Aug. 10, 1950], No. 19927/50. Classes 83 (2) and 83 (4) Jointing; jointing by forging; soldered and brazed joints.-In a resistance welding fluid cooled electrode comprising a tubular body and a separately made tip closing the bore of the body, the tip has a projection which is secured in the bore by a cold pressure weld or a higher pressure force fit. In an embodiment a copper alloy tip 2, Fig. 1, having a recessed shank 2a is placed within a copper tube 1 and a swaging tool is applied internally and/or externally of the tube 1 to effect a cold pressure weld between the shank 2a and the tube 1. When the tool is applied internally it engages the recess 3 in the shank. In a modification an annular groove 4, Fig. 2, is formed in the tube 1 and during cold welding metal from the shank 2a flows into the groove 4. The groove may be on the shank. External knurling may be provided on the tube 1 and tip 2. In a further embodiment a ring of soft solder &c. 7, Fig. 5, is placed between the tip 2 and tube 1. The tip 2 and tube 1 are pressed together so that the washer 7 forms a seal to which controlled and localized heating is applied before cold welding of the shank 2a and tube 1 is commenced. In a modification the washer has a circular section and is applied between bevelled surfaces on the tube 1 and tip 2. In a further embodiment the tip 2 may be tapered at 8, Fig. 7, to fit a taper 9 on the tube 1. Axial pressure is set up between the tapered surfaces to cold weld them. The applied pressure may not result in cold welding but merely in a very tight fit which is satisfactory. According to the Provisional Specification where a soft solder washer is employed a lower pressure may be used for joining the tip and tube and a soldered or brazed joint may replace the cold weld or force fit.
Patent GB-1025033-A (GB)
Title: Improvements in or relating to the electrostatic screen printing of textile fabrics
IPC: D06P1/00
Filed: 1964-05-13
Abstract: 1,025,033. Printing processes. HEBERLEIN & CO. A.G. May 13, 1964 [May 13, 1963], No. 19938/64. Heading B6C. In a process for the screen printing of textile fabrics in which the fabric is printed electrostatically with a dyestuff composition using a screen and an electrostatic field acting between the screen and the fabric the dyestuff composition comprises a textile dyestuff and a dielectric carrier. The composition may also contain an auxiliary dyeing agent such as water-soluble cellulose ether, an alginate or locust bean flow or a derivative thereof. The dielectric carrier is a water soluble natural or synthetic resin or a natural or synthetic resin which may be rendered water soluble by the action of an acid or alkali. The carrier may be a colophony or a derivative thereof; or it may be a vinylpolymer, or a non-hardening phenolic resin, or a polyester or polyamide resin. After printing the dyestuff is fixed on the fabric, the residue of the dyestuff composition being subsequently removed. The fixing may comprise a temporary followed by a permanent step the former being effected by melting the composition under heat. Alternatively, the temporary fixing may be effected by partially dissolving the composition either by spraying the fabric with water or steam or by an organic solvent. Immediately prior to the permanent fixing the fabric may be impregnated with a solution of an alkali containing a reducing agent for the dyestuff. The permanent fixing may be effected by steam or dry heat. The dyestuff composition may be of particulate form the dyestuff particles and any auxiliary dyeing agents used being coated with the dielectric carrier material the coat of such material being formed by interface polymerization or polycondensation of the material or its precursors. The coat may be formed by conservation of the material or its precursors. After the dyestuff has been permanently fixed to the fabric the latter is subjected to a washing treatment to remove any excess dyestuff, dielectric carrier material or auxiliary dyeing agents where used. In multi-impression or colour printing the dyestuff compositions are printed on to the fabric successively each composition being subjected to an immediate temporary fixing step.
Patent GB-1175885-A (GB)
Title: Improvements in or relating to Cutting Tools
Inventor: OWEN FRANK
IPC: B23C5/24
Filed: 1967-05-01
Abstract: 1,175,885. Milling cutters. MUREX Ltd. 24 April, 1968 [1 May, 1967], No. 20009/67. Heading B3K. A cutting tool is provided with means for adjusting the extent to which indexable inserts or blades 5 project from their slots 2, comprising for each blade 5 a first screw-threaded member 9 on which there is adjustably mounted a second complementarily threaded sleeve member 12 having a bearing surface 13 abutting and locating an edge of the blade 5. The sleeve 12 and a locking ring 18 therefor are provided with holes 19 for adjustment by means of a C- spanner. The invention is particularly applicable to the adjustment of finishing blades in a milling cutter.
Patent GB-422212-A (GB)
Title: Improvements in and relating to rotor blades for aircraft with auto-rotative sustaining rotors
IPC: B64C27/02
Filed: 1933-07-15
Abstract: 422,212. Aircraft with rotary wing systems. LA CIERVA, J. DE, 30, Alfonso XII, Madrid. July 15, 1933, No. 20103. Convention date, July 15, 1932. [Class 4] In aircraft of the type having a normally wind-driven rotary wing, the wing or blade is of aerofoil shape, and comprises a unified elongated metallic tubular shell member which constitutes the major element for carrying the centrifugal, aerodynamic and other loads imposed on the blade in operation. The blade 10, Fig. 2, is a metallic tubular shell of substantially uniform cross-sectional contour throughout a large part of its length, the cross-section being shown in Fig. 4. The hinge-plate 14, Fig. 3, is spot-welded or riveted to the blade, and tapers in thickness, the lower part of the hinge being provided with a lug 20 and rubber block 21 to bear on the boss 11. The end of the blade may be cut at 10<e> to form a stream-line tip, the other end being closed over the hinge-plate and welded at 10<c>, Fig. 3. The blades may be formed of stamped or rolled sections or of one-piece tubular construction. It may be of symmetrical or non-symmetrical camber or profile and is preferably of uniform chord and profile except for the extreme outer tip portion. It may be of uniform wall thickness from end to end and of the same pitch from end to end. The blade may be made of aluminium alloy or thin, stainless, sheet-steel, with internal flange-strip stiffeners. The blade may be spray-painted or finished with some other impervious coating.
Patent GB-126911-A (GB)
Title: Improvements in Means for Actuating the Ailerons of Aeroplanes.
Inventor: LESSEPS PAUL DE
IPC: B64C13/00
Filed: 1918-12-05
Abstract: 126,911. Lesseps, P. de. Dec. 5, 1918. Steering and balancing.-Relates to ailerons operated from adjacent pulleys rotated by endless cords, &c., and consists in mounting on the pulleys 7 arms 11 which are connected by rigid bars 12 or cords to the aileron levers 13, the ailerons and arms rotating about axes at right-angles. The bars 12 are connected to the arms 11 and levers 13 by universal or Cardan joints. The endless cord 6 is secured to the pulleys by pins 14.
Patent GB-1312627-A (GB)
Title: Tractor-mounted implements
IPC: A01B63/22
Filed: 1970-04-28
Abstract: 1312627 Implement power life systems DEERE & CO 28 April 1970 [28 April 1969] 20354/70 Heading A1P For use in a tractor/implement combination where the tractor has pivotally mounted trailing draft links and a hydraulic power life system, an implement has adjustable life assist wheels 122 and hydraulic motors 136, 138 mounted on the implement frame 108, 110 and operatively connected to the lift assist wheels to raise and lower the implement. The motors are connected in series with each other and, when the implement is mounted on the tractor, by means of three point hitch for example, the hydraulic motors are also connected in series with the main hydraulic motor 16 of the tractor power life system. The frame may be rigid or comprise a rigid central portion 88 with two pivotally mounted outrigger portions 108, 110. A further lift assist wheel may be provided rearwardly and centrally of the frame 88 (Figs. 4, 5 not shown). A conventional control valve 38 may be operated in three ways by a manual control lever 40, by a position responsive control connected to lift arms 28 and by a draft load responsive control connected to draw links 30. Fluid is supplied by a variable displacement pump 34 and the double-acting motors 136, 138 and motor 16 have progressively smaller piston diameters as shown in Fig. 3 so that the rods 144, 22 move the same distance. Pressure relief valves 68 and by-pass valves 152 are also provided. Auxiliary control valves 70, 72 are used, when travelling over uneven ground, to spontaneously raise or lower the centre frame 88 alone (by valve 70) or centre frame and outrigger frames together (by valve 72).